Home / 10,155.16-15,233.01-4,889.35

Finding the Fourth Proportional to 10,155.16, 15,233.01 and 4,889.35

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Solution

The fourth proportional to 10,155.16, 15,233.01 and 4,889.35 is: 7,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.16 : 15,233.01 = 4,889.35 : x
  2. Step 2: Convert to fraction form
    10,155.16/15,233.01 = 4,889.35/x
  3. Step 3: Cross multiply
    10,155.16x = 15,233.01 × 4,889.35
  4. Step 4: Simplify right side
    10,155.16x = 74,479,517.44
  5. Step 5: Solve for x
    x = 74,479,517.44/10,155.16
  6. Step 6: Final answer
    x = 7,334.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.